* { padding: 0; margin: 0; }
li { list-style: none; }
img { border: 0; }

.roll { width: 880px; height: 108px; margin: 50px auto 0; position: relative; }
.btn_left { display: block; width: 68px; height: 68px; background: url(../images/btn.jpg) no-repeat -70px -69px; position: absolute; top: 20px; left: 1px; z-index: 1; }
.btn_left:hover { background: url(../images/btn.jpg) no-repeat -70px 0; }
.btn_right { display: block; width: 68px; height: 68px; background: url(../images/btn.jpg) no-repeat 1px -69px; position: absolute; top: 20px; right: 0; z-index: 1; }
.btn_right:hover { background: url(../images/btn.jpg) no-repeat 1px 0; }
.roll .wrap { width: 728px; height: 108px; margin: 0 auto; position: relative; overflow: hidden; }
.roll ul { position: absolute; top: 0; left: 0; }
.roll li { float: left; width: 182px; height: 108px; text-align: center; }
.roll li a:hover { position: relative; top: 2px; }

.control { border-bottom: 1px solid #ccc; background: #eee; text-align: center; padding: 20px 0; }